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Finding the Fourth Proportional to 43,458.96, 65,087.76 and 37,064.40

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Solution

The fourth proportional to 43,458.96, 65,087.76 and 37,064.40 is: 55,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458.96 : 65,087.76 = 37,064.40 : x
  2. Step 2: Convert to fraction form
    43,458.96/65,087.76 = 37,064.40/x
  3. Step 3: Cross multiply
    43,458.96x = 65,087.76 × 37,064.40
  4. Step 4: Simplify right side
    43,458.96x = 2,412,438,771.74
  5. Step 5: Solve for x
    x = 2,412,438,771.74/43,458.96
  6. Step 6: Final answer
    x = 55,510.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.